Timing of ACnet TCLK Events¶

From Greg Vogel, April 1, 2016

Switchyard related events in the Supercycle (using beam via Recycler)
Event    Time (in supercycle)        Description
$00    0.000000        Supercycle Reset
$30    0.000001        Switchyard Reset Event for long spill extracted beam
$31    0.000007        Switchyard Reset for extracted beam cycle
$E2    0.200009        Recycler reset for beam to Switchyard
$20    0.600079        MI Reset for fixed target beam via Recycler
$F3    0.652144        Transfer of beam from Recycler to MI
$3F    0.640005        End of switchyard beam injection
$22    0.680081        Start of MI ramp (plays on all MI cycles)
$3C    0.800011        Switchyard variable event
$3B    1.000010        SWYD BPM write display frame
$39    1.300026        Begin 120 GeV proton extraction MI to SWYD
$25    1.320864        MI start of flattop (plays on all MI cycles)
$34    1.500020        SWYD SWIC sample time
$3D    1.600011        SWYD analog alarm event
$3A    2.000011        SWYD BPM write profile memory
$34    2.700020        SWYD SWIC sample time
$35    3.500011        SWYD Beam sample time
$34    3.900020        SWYD SWIC sample time
$2F    5.410082        MI abort cleanup (plays on all MI cycles) - remaining MI beam to abort
$26    5.540864        MI end of beam operations (plays on all MI cycles)
$36    5.650005        SWYD post beam sample time
$2A    6.134327        MI Reset for NuMI Beam
$37    7.650005        SWYD read intensity monitors

Previous timing tables¶

From Adam Watts, as of June 5, 2015

Switchyard related events in the Supercycle
Event    Time (in supercycle)        Description
$00    0.000000        Supercycle Reset
$30    0.000001        Switchyard Reset Event for long spill extracted beam
$31    0.000007        Switchyard Reset for extracted beam cycle
$20    0.599906        MI Reset for long flattop fixed target beam
$3F    0.640005        End of switchyard beam injection
$22    0.679907        Start of MI ramp (plays on all MI cycles)
$3C    0.800011        Switchyard variable event
$3B    1.000010        SWYD BPM write display frame
$39    1.300027        Begin 120 GeV proton extraction MI to SWYD
$25    1.320690        MI start of flattop (plays on all MI cycles)
$3D    1.600011        SWYD analog alarm event
$34    1.750020        SWYD SWIC sample time
$3A    2.000011        SWYD BPM write profile memory
$34    2.900021        SWYD SWIC sample time
$35    3.500011        SWYD Beam sample time
$34    4.100021        SWYD SWIC sample time
$2F    5.529690        MI abort cleanup (plays on all MI cycles)
                        - remaining MI beam to abort
$26    5.530716        MI end of beam operations (plays on all MI cycles)
                        - MI magnets & RF ramp down
$36    5.560005        SWYD post beam sample time
$2A    6.132576        MI Reset for NuMI Beam
$37    7.650005        SWYD read intensity monitors

From Greg Vogel, as of June 4, 2015, or May 22 2015 (or earlier)

Switchyard related events in the Supercycle
Event    Time (in supercycle)        Description
$00    0.000000        Supercycle Reset
$30    0.000001        Switchyard Reset Event for long spill extracted beam
$31    0.000007        Switchyard Reset for extracted beam cycle
$20    0.599906        MI Reset for long flattop fixed target beam
$3F    0.640005        End of switchyard beam injection
$22    0.679907        Start of MI ramp (plays on all MI cycles)
$3C    0.800011        Switchyard variable event
$3B    1.000010        SWYD BPM write display frame
$39    1.300027        Begin 120 GeV proton extraction MI to SWYD
$25    1.320690        MI start of flattop (plays on all MI cycles)
$3D    1.600011        SWYD analog alarm event
$34    1.750020        SWYD SWIC sample time
$3A    2.000011        SWYD BPM write profile memory
$34    2.900021        SWYD SWIC sample time
$35    3.500011        SWYD Beam sample time
$34    4.100021        SWYD SWIC sample time
$36    5.350005        SWYD post beam sample time
$2F    5.529690        MI abort cleanup (plays on all MI cycles)
                        - remaining MI beam to abort
$26    5.530716        MI end of beam operations (plays on all MI cycles)
                        - MI magnets & RF ramp down
$2A    6.132576        MI Reset for NuMI Beam
$37    7.650005        SWYD read intensity monitors

From Greg Vogel, as of April 4, 2014

Switchyard related events in the Supercycle
Event    Time (in supercycle)        Description
$00    0.000000        Supercycle Reset
$30    0.000001        Switchyard Reset Event for long spill extracted beam
$31    0.000007        Switchyard Reset for extracted beam cycle
$3C    0.200011        Switchyard variable event
$21    0.266601        MI Reset for long flattop fixed target beam
$3F    0.640005        End of switchyard beam injection
$22    0.679933        Start of MI ramp (plays on all MI cycles)
$3B    1.000010        SWYD BPM write display frame
$39    1.300025        Begin 120 GeV proton extraction MI to SWYD
$25    1.320716        MI start of flattop (plays on all MI cycles)
$3D    1.600011        SWYD analog alarm event
$34    1.750020        SWYD SWIC sample time
$3A    2.000011        SWYD BPM write profile memory
$35    3.500011        SWYD Beam sample time
$34    3.750020        SWYD SWIC sample time
$2F    5.302604        MI abort cleanup (plays on all MI cycles)
                - remaining MI beam to abort
$26    5.530716        MI end of beam operations (plays on all MI cycles)
                - MI magnets & RF ramp down
$36    5.650005        SWYD post beam sample time
$2A    6.131744        MI Reset for NuMI Beam
$33    6.650008        SWYD fast spill/ping event
$37    7.650005        SWYD read intensity monitors